Dude Claims 'AIR RECIRCULATION BUTTON' Creates Potential Carbon-Monoxide Problem For Driver And Passengers. Is He RIGHT Or Is This FAKE NEWS?

Chime in Spies...Is he on to something or making something out of nothing?

@imthomasmorales Use this button in your car wisely... #health #airquality #ventilation #co2 #carfeature #tipoftheday ? original sound - Thomas Morales